ppd42ns: glibc < 2.17 need to link to lrt to use clock_gettime()
ppd42ns: glibc < 2.17 need to link to lrt to use clock_gettime()

Signed-off-by: Brendan Le Foll <3e0e8c4069934e8b47d99704927a85c66c0ceb33@intel.com>
Signed-off-by: Sarah Knepper <aa6f32c7068de0436ab460eb7d52c137f945f426@intel.com>

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